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Unformatted text preview: 2007-11-20 The Puzzle of Drug AddictionMany drugs are abused and cause addictionoAnti-anxiety agents, narcotics, stimulantsBut not alloMajor tranquilizersCommon property of abused drugs:oProduce psychomotor activation feel energized and in controloAssociated with increased dopamine activityoEvolving theories of addictionRecap:Many mechanisms to achieve drug actionoBoth for agonists and antagonistsoAll impact neurotransmittersDrug impact is not always the sameExperience and genes modify effectsWith repeated use, drug impact can changeLearning as AdaptationLearning isoShe is learning to control her temperoHe learned how to ski last winteroPhysicists hope to learn more about the origins of the universeoShe finally learned that where there is smoke, there is fireoShe is trying to learn how the Buddhists view the worldoShe learned that touching a hot stove is a bad idea....
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This note was uploaded on 04/04/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Spring '09 term at UWO.
- Spring '09